Fun Facts

•The castle was built by Clan MacLachlan, who controlled the surrounding lands for over 700 years.

•It was partially destroyed after the Jacobite Rising of 1745, when Clan MacLachlan supported Bonnie Prince Charlie.

•A short scenic path leads visitors along the shoreline directly to the ruins, offering beautiful views over Loch Fyne.

•Nearby stands the new Castle Lachlan, an 18th-century mansion that replaced the medieval fortress.

Old Castle Lachlan is a ruined 15th-century stronghold located on the shores of Loch Fyne in Argyll, Scotland. Surrounded by peaceful water, rolling hills, and coastal scenery, the castle offers a quiet and atmospheric glimpse into medieval Highland history. Its remote location and dramatic backdrop make it a favourite spot for photographers, walkers, and anyone exploring the Cowal Peninsula.

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Parking:
Free car park at Old Lachlan Pier.

Walk distance:
10–15 minutes along the shore.

Difficulty:
⭐⭐☆☆☆ (Easy–Moderate)

Family-friendly:
Yes.

Notes:
Beautiful quiet area.